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Mechanical Engineering · Q79

Compressors, Gas Turbines And Jet Engines

Engineering and GATE · Mechanical Engineering · question 79

Q79

In a turbo jet engine, subsequent to heat addition to compressed air, to get the power output, the working substance is expanded in

A.
Exit nozzle, which is a constant volume process
B.
Exit nozzle, which is essentially an isentropic process
C.
Turbine blades, which is a constant volume process
D.
Turbine blades, which is essentially an isentropic process
Answer

Answer: Option D

Solution

Answer: Option D
Solution:
In a turbo jet engine, subsequent to heat addition to compressed air, to get the power output, the working substance is expanded in Turbine blades, which is essentially an isentropic process